I do have the j head hotend. I am gathering information for a future build of a reprap that will have a larger build platform and be able to print various filament types. I was watching a video of someone testing an all metal hotend and was pushing 350 degrees celsius. My question was basically asking what brands of boards are able to handle these hotends. It would be great if a Ramps board can handle the requirements to heat a hotend to 350 +
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